1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe73fa2b393424c24925a429b8eec687051c7ed75e748d86f0ea3ba94496037b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3015fcc-7366-4831-a4aa-c56c5a80255b.json and https://artists.proofprofile.net/proofs/artist/b3015fcc-7366-4831-a4aa-c56c5a80255b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Princess' Man Pt. 3 (Original Television Soundtrack)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1849a06b7ccbec69bdf41e00002d36ae6d31dffe9b39038ff464d6ba2ef425f. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491200669.
Doctor Good (Original Television Soundtrack) Pt. 4
굿닥터 (Original Television Soundtrack) Pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf317da5944b3ef2043d1b2c8a522c018d17d8ee65d42c717b00d60655e7174b5. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381205003.
원티드 (Original Television Soundtrack), Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76fb7c0359c106584bf8463daf8abfddc3cb7f9f40044a15980471c4e5996d18. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB471700682.
Mother (Original Television Soundtrack), Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09860beafc873f5def98b93bf899466cafd437236ded24384dd9dba36bcb62f9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491800124.
Home (Original Soundtrack From "라이프"), Pt. 1
LIFE (Original Television Soundtrack), Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cacf9a3e5079cfe16ca66e77723bf42d73c0a268ac0e15d12b8838c2956c9ed. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB471801108.
Bad Papa Pt. 1 (Original Television Soundtrack)
Monthly Project 2019 September Yoon Jong Shin - Workaholic
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d340f473423479c8ae4ad9a7b214f8f903bd5b56e132a4047509bb2be48c455. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA301900407.
Workaholic (Monthly Project 2019 September Yoon Jong Shin)
Workaholic 워커홀릭 (Monthly Project 2019 September Yoon Jong Shin)
The World of the Married, Pt.4 (Original Television Soundtrack)
The World of the Married, Pt. 4 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb64c82cab9b61683be002654a42c9fab69256ee437341cc46c3e1e08d48edea. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472000523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839d50d57e9fed2d812087bd54196dd146f4bd856e0942d598b54647b8fca29f. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:48:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA252101096.
[Vol.68] You Hee yul's Sketchbook : 42th Voice 'Sketchbook X Ha Dong Qn'
[Vol.69] You Hee yul's Sketchbook : 42th Voice 'Sketchbook X Ha Dong Qn'
awaken (Original Television Soundtrack), Pt.2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37a713c890de1180b74f4aa31877fc698e441226993c531fc401cff44caf9b3. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA492001573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae52dee58b4c8f38efac3523a56fb781db44d4a94cfef8b564afb9c3619630f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA492001574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31f5e7a4309b54f058de79ada88a9eecc1048cdbb22a1efac4f41a342fb7a62f. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2130792.
lost (Original Television Soundtrack, Pt. 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8fe65264c88045af6a0fdc9a6f2673c1ff0091a913ca06ceeb6731c80c30116. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRF702100256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19296f60a37b4c0b1a61c733f0b242fa21ba042fc3f372822e594be5e6198bc5. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA252101935.
Again my life, Pt. 8 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16c3fa4f9d90a3845993fec2d30980ea9465914a91f90a9f11f4c2be04f0cb8. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472200897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f478c333f3db06a02278eaec6c1f69c1df6c37811294d9a90b549a192fe4cc. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA252301863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa40bbdae8584e4b7078e3097192d7166cd4061a3a17a020bb576dff46d2175c1. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2450840.
Exhausted (Music from "The Match" Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23bdf45c9543aadee6cb7b8d0f72d481eae3670bdec52d794bca95cbadd5324b. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:21:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA252500838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba103a31d5ccd7be23a9865a6169ace965faab34f72485eb1f4caab3d7aefde6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA252500839.
Exhausted (Original Soundtrack from Even If This Love Disappears Tonight)
사랑에 미치다 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65ba8d1e79d94635e695570a938c3c438c9f0e26dc176611f25c3662585b87a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452026020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8762406ed60278832627c0d1ac9e8100f5245400f349dfd6ab3be724a32b5d0f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472300508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba051c027d4ac15abc0b7609db63623f3679f376d10ce21d74bd810b6c3f23a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472300509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611343080ee399c2acd40d4333c11b3001e054edac151b90da21f1b84cf4c86f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA350902008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1631794d7e6289d9a28cb8a0ded9eee69bfb64d146036dc521a14011b785113c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA490800209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x187c49a40ecb3c08c541742192f8ded9a84bb27d73a280457fe32a763126711e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491300973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a314f36058e75c6a8a76d4861468e4dbca6077f85dbdd6121d3839e8ad5ef0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA341543468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14722e059f27092abe55aaee958508bd7bf3600d28dda1d969e498414e5991d4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA382007020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3c068e8984328c8696370eecb7642f0dfb2a1626f4575ea9b4a2953e7bdfd6d. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA401500217.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32cd387c33b3907d09fe7d07d35da0df315087827934a8b3eb2cd772a915921a. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381904420.